Question

If a and b show a linear pair , then their sum will be​

Answer 1

Step-by-step explanation:

angle A and angle B form a linear pair.

linear means straight.

what does the above statement mean?

angle A and angle B will form a straight line when kept side by side.

And, we know angle in a straight line is 180°.

so, if angle A and angle B show a linear pair, then their sum will be 180°